package filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class CheckAdminLogin extends HttpServlet implements Filter{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpServletRequest req=(HttpServletRequest)arg0;
		HttpServletResponse res=(HttpServletResponse)arg1;
		HttpSession session=req.getSession();
		String admin_username=(String)session.getAttribute("admin_username");
		
		if(admin_username!=null){
			arg2.doFilter(arg0, arg1);
		}else{
			res.sendRedirect("../index.jsp");
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}

}
